Home / 4,640.87-6,404.36-2,545.00

Finding the Fourth Proportional to 4,640.87, 6,404.36 and 2,545.00

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Solution

The fourth proportional to 4,640.87, 6,404.36 and 2,545.00 is: 3,512.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.87 : 6,404.36 = 2,545.00 : x
  2. Step 2: Convert to fraction form
    4,640.87/6,404.36 = 2,545.00/x
  3. Step 3: Cross multiply
    4,640.87x = 6,404.36 × 2,545.00
  4. Step 4: Simplify right side
    4,640.87x = 16,299,067.46
  5. Step 5: Solve for x
    x = 16,299,067.46/4,640.87
  6. Step 6: Final answer
    x = 3,512.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.